263 lines
8.8 KiB
Rust
263 lines
8.8 KiB
Rust
#[macro_use]
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extern crate log;
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mod support;
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use self::support::*;
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#[test]
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fn inbound_sends_telemetry() {
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let _ = env_logger::try_init();
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info!("running test server");
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let srv = server::new().route("/hey", "hello").run();
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let mut ctrl = controller::new();
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let reports = ctrl.reports();
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let proxy = proxy::new()
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.controller(ctrl.run())
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.inbound(srv)
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.metrics_flush_interval(Duration::from_millis(500))
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.run();
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let client = client::new(proxy.inbound, "tele.test.svc.cluster.local");
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info!("client.get(/hey)");
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assert_eq!(client.get("/hey"), "hello");
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info!("awaiting report");
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let report = reports.wait().next().unwrap().unwrap();
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// proxy inbound
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assert_eq!(report.proxy, 0);
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// process
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assert_eq!(report.process.as_ref().unwrap().node, "");
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assert_eq!(report.process.as_ref().unwrap().scheduled_instance, "");
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assert_eq!(report.process.as_ref().unwrap().scheduled_namespace, "test");
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// requests
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assert_eq!(report.requests.len(), 1);
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let req = &report.requests[0];
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assert_eq!(req.ctx.as_ref().unwrap().authority, "tele.test.svc.cluster.local");
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//assert_eq!(req.ctx.as_ref().unwrap().method, GET);
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assert_eq!(req.count, 1);
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assert_eq!(req.responses.len(), 1);
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// responses
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let res = &req.responses[0];
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assert_eq!(res.ctx.as_ref().unwrap().http_status_code, 200);
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// response latencies should always have a length equal to the number
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// of latency buckets in the latency histogram.
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assert_eq!(
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res.response_latency_counts.len(),
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report.histogram_bucket_bounds_tenth_ms.len()
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);
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assert_eq!(res.ends.len(), 1);
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// ends
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let ends = &res.ends[0];
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assert_eq!(ends.streams, 1);
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}
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#[test]
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fn http1_inbound_sends_telemetry() {
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let _ = env_logger::try_init();
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info!("running test server");
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let srv = server::http1().route("/hey", "hello").run();
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let mut ctrl = controller::new();
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let reports = ctrl.reports();
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let proxy = proxy::new()
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.controller(ctrl.run())
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.inbound(srv)
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.metrics_flush_interval(Duration::from_millis(500))
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.run();
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let client = client::http1(proxy.inbound, "tele.test.svc.cluster.local");
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info!("client.get(/hey)");
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assert_eq!(client.get("/hey"), "hello");
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info!("awaiting report");
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let report = reports.wait().next().unwrap().unwrap();
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// proxy inbound
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assert_eq!(report.proxy, 0);
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// requests
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assert_eq!(report.requests.len(), 1);
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let req = &report.requests[0];
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assert_eq!(req.ctx.as_ref().unwrap().authority, "tele.test.svc.cluster.local");
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//assert_eq!(req.ctx.as_ref().unwrap().method, GET);
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assert_eq!(req.count, 1);
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assert_eq!(req.responses.len(), 1);
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// responses
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let res = &req.responses[0];
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assert_eq!(res.ctx.as_ref().unwrap().http_status_code, 200);
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// response latencies should always have a length equal to the number
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// of latency buckets in the latency histogram.
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assert_eq!(
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res.response_latency_counts.len(),
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report.histogram_bucket_bounds_tenth_ms.len()
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);
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assert_eq!(res.ends.len(), 1);
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// ends
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let ends = &res.ends[0];
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assert_eq!(ends.streams, 1);
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}
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#[test]
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fn inbound_aggregates_telemetry_over_several_requests() {
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let _ = env_logger::try_init();
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info!("running test server");
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let srv = server::new()
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.route("/hey", "hello")
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.route("/hi", "good morning")
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.run();
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let mut ctrl = controller::new();
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let reports = ctrl.reports();
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let proxy = proxy::new()
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.controller(ctrl.run())
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.inbound(srv)
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.metrics_flush_interval(Duration::from_millis(500))
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.run();
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let client = client::new(proxy.inbound, "tele.test.svc.cluster.local");
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info!("client.get(/hey)");
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assert_eq!(client.get("/hey"), "hello");
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info!("client.get(/hi)");
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assert_eq!(client.get("/hi"), "good morning");
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assert_eq!(client.get("/hi"), "good morning");
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info!("awaiting report");
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let report = reports.wait().next().unwrap().unwrap();
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// proxy inbound
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assert_eq!(report.proxy, 0);
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// requests -----------------------
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assert_eq!(report.requests.len(), 2);
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// -- first request -----------------
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let req = &report.requests[0];
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assert_eq!(req.ctx.as_ref().unwrap().authority, "tele.test.svc.cluster.local");
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assert_eq!(req.count, 1);
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assert_eq!(req.responses.len(), 1);
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// ---- response --------------------
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let res = &req.responses[0];
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assert_eq!(res.ctx.as_ref().unwrap().http_status_code, 200);
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// response latencies should always have a length equal to the number
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// of latency buckets in the latency histogram.
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assert_eq!(
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res.response_latency_counts.len(),
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report.histogram_bucket_bounds_tenth_ms.len()
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);
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assert_eq!(res.ends.len(), 1);
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// ------ ends ----------------------
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let ends = &res.ends[0];
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assert_eq!(ends.streams, 1);
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// -- second request ----------------
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let req = &report.requests[1];
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assert_eq!(req.ctx.as_ref().unwrap().authority, "tele.test.svc.cluster.local");
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// repeated twice
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assert_eq!(req.count, 2);
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assert_eq!(req.responses.len(), 1);
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// ---- response -------------------
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let res = &req.responses[0];
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assert_eq!(res.ctx.as_ref().unwrap().http_status_code, 200);
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// response latencies should always have a length equal to the number
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// of latency buckets in the latency histogram.
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assert_eq!(
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res.response_latency_counts.len(),
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report.histogram_bucket_bounds_tenth_ms.len()
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);
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assert_eq!(res.ends.len(), 1);
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// ------ ends ----------------------
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let ends = &res.ends[0];
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assert_eq!(ends.streams, 2);
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}
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// Ignore this test on CI, because our method of adding latency to requests
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// (calling `thread::sleep`) is likely to be flakey on Travis.
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// Eventually, we can add some kind of mock timer system for simulating latency
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// more reliably, and re-enable this test.
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#[test]
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#[cfg_attr(not(feature = "flaky_tests"), ignore)]
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fn records_latency_statistics() {
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let _ = env_logger::try_init();
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info!("running test server");
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let srv = server::new()
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.route_with_latency("/hey", "hello", Duration::from_millis(500))
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.route_with_latency("/hi", "good morning", Duration::from_millis(40))
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.run();
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let mut ctrl = controller::new();
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let reports = ctrl.reports();
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let proxy = proxy::new()
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.controller(ctrl.run())
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.inbound(srv)
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.metrics_flush_interval(Duration::from_secs(5))
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.run();
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let client = client::new(proxy.inbound, "tele.test.svc.cluster.local");
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info!("client.get(/hey)");
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assert_eq!(client.get("/hey"), "hello");
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info!("client.get(/hi)");
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assert_eq!(client.get("/hi"), "good morning");
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assert_eq!(client.get("/hi"), "good morning");
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info!("awaiting report");
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let report = reports.wait().next().unwrap().unwrap();
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// requests -----------------------
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assert_eq!(report.requests.len(), 2);
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// first request
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let req = &report.requests[0];
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assert_eq!(req.ctx.as_ref().unwrap().authority, "tele.test.svc.cluster.local");
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let res = &req.responses[0];
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// response latencies should always have a length equal to the number
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// of latency buckets in the latency histogram.
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assert_eq!(
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res.response_latency_counts.len(),
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report.histogram_bucket_bounds_tenth_ms.len()
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);
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for (idx, bucket) in res.response_latency_counts.iter().enumerate() {
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// 500 ms of extra latency should put us in the 500-1000
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// millisecond bucket (the 15th bucket)
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if idx == 15 {
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assert_eq!(*bucket, 1, "poorly bucketed latencies: {:?}", res.response_latency_counts);
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} else {
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assert_eq!(*bucket, 0, "poorly bucketed latencies: {:?}", res.response_latency_counts);
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}
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}
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// second request
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let req = &report.requests.get(1).expect("second report");
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assert_eq!(req.ctx.as_ref().unwrap().authority, "tele.test.svc.cluster.local");
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assert_eq!(req.count, 2);
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assert_eq!(req.responses.len(), 1);
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let res = req.responses.get(0).expect("responses[0]");
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// response latencies should always have a length equal to the number
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// of latency buckets in the latency histogram.
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assert_eq!(
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res.response_latency_counts.len(),
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report.histogram_bucket_bounds_tenth_ms.len()
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);
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for (idx, bucket) in res.response_latency_counts.iter().enumerate() {
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// 40 ms of extra latency should put us in the 40-50
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// millisecond bucket (the 10th bucket)
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if idx == 9 {
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assert_eq!(*bucket, 2, "poorly bucketed latencies: {:?}", res.response_latency_counts);
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} else {
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assert_eq!(*bucket, 0, "poorly bucketed latencies: {:?}", res.response_latency_counts);
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}
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}
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}
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#[test]
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fn telemetry_report_errors_are_ignored() {}
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